Pairoj, W. . . “ANALYSIS OF THE CUSTOMER PERCEIVED VALUE OF CAFÉ ON NIMMANHAEMIN ROAD IN CHIANGMAI PROVINCE”. Dusit Thani College Journal, vol. 15, no. 3, Dec. 2021, pp. 228-44, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/253869.